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- twice heat forging 二次加热锻造
- Actual practice shows that the heat forging and backfiring technology can remarkably improve the mechanical performance and consume less energy. 通过实践证明，采用锻热淬火+回火工艺后力学性能明显提高，能源消耗显著减少。
- Therefore, it is suggested that knuckle pivot pin should be heat treated by the adoption of the quenching technology of heat forging and backfiring. 故提出对钩尾销采用锻热淬火+回火的热处理工艺。
- The quality of all of our products is strictly controlled through a complete set of medium frequency induction heated forging presses &hots heading machines. 有全套中频感应加热温镦形成设备和热镦设备。
- Improvement of Heat Treatment Process for Heat Forging Die 热锻模热处理工艺改进
- Steel Used for Heat Forging Model and Its Heat Treatment 热锻模用钢及其热处理
- The flight to Accra goes twice a week. 飞往阿克拉的班机一星期开两班。
- We should brush our teeth at least twice a day. 我们每天应该至少刷两次牙。
- I am more than twice as old as he. 我的年龄是他的两倍还不止。
- Jack was fired twice but both times taken back. 杰克曾两次被解雇，但两次都被允许回去工作。
- The filly has been raced twice this season. 这匹小牝马本季度曾两次参赛。
- If I wee you, I'd think twice about it. 如果我是你我会三思而后行。
- Heat sometimes causes a prickly rash on the skin. 热有时使皮肤上生剌痛的疹子。
- The caretaker stokes up twice a day. 管理员每天往火里加两次煤。
- I go to the university twice daily. 我每天去那所大学两次。
- He has been there at least twice. 他至少去过那儿两次。
- The system works on the principle that heat rises. 该项装置是按照热力上升的原理运转的。
- She referred to it once or twice. 这一点她提到了一两次。
- The heat had blistered the paint of the building. 酷热使建筑物上的油漆起了浮泡。
- Our study group gets together twice a week. 我们的学习小组每周集中活动两次。
